M\u0169i c\u00f3 th\u1ec3 ng\u1eedi \u0111\u01b0\u1ee3c m\u00f9i c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt th\u1ec3, \u0111\u00f3 l\u00e0 v\u00ec trong m\u0169i c\u00f3 nhi\u1ec1u t\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c. T\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c kh\u00e1c nhau s\u1ebd sinh ra ph\u1ea3n \u1ee9ng \u0111\u1ed1i v\u1edbi m\u00f9i kh\u00e1c nhau, th\u00f4ng qua th\u1ea7n kinh truy\u1ec1n v\u00e0o \u0111\u1ea1i n\u00e3o, ph\u00e1n \u0111o\u00e1n ra thu\u1ed9c t\u00ednh v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u1ee7a m\u00f9i. T\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c c\u00e0ng nhi\u1ec1u, kh\u1ee9u gi\u00e1c l\u1ea1i c\u00e0ng nhanh nh\u1ea1y. M\u0169i ch\u00f3 c\u00f3 th\u1ec3 ng\u1eedi \u0111\u01b0\u1ee3c kho\u1ea3ng hai tri\u1ec7u lo\u1ea1i m\u00f9i, ch\u00ednh l\u00e0 v\u00ec t\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c c\u1ee7a n\u00f3 \u0111\u1eb7c bi\u1ec7t phong ph\u00fa.<\/p>\n\n\n\n
Th\u1ebf th\u00ec m\u0169i \u0111i\u1ec7n t\u1eed do k\u0129 thu\u1eadt \u0111i\u1ec7n t\u1eed t\u1ea1o ra, v\u00ec sao c\u0169ng c\u00f3 “kh\u1ee9u gi\u00e1c” nhanh nh\u1eady nh\u1ec9?<\/p>\n\n\n\n
Th\u00ec ra, trong m\u0169i \u0111i\u1ec7n t\u1eed c\u00f3 b\u1ed9 c\u1ea3m bi\u1ebfn nh\u1ea1y m\u00f9i nh\u01b0 ki\u1ec3u t\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c, n\u00f3 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng v\u1eadt li\u1ec7u b\u00e1n d\u1eabn. V\u1eadt li\u1ec7u b\u00e1n d\u1eabn th\u01b0\u1eddng d\u00f9ng c\u00f3 thi\u1ebfc oxit, k\u1ebdm oxit v.v., khi l\u1eafp ch\u00fang v\u00e0o b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn th\u00ec v\u1eadt li\u1ec7u b\u00e1n d\u1eabn \u0111\u00e3 \u0111\u01b0\u1ee3c gia c\u00f4ng th\u00e0nh nh\u1eefng h\u1ea1t b\u1ed9t, r\u1eafc ch\u00fang l\u00ean c\u00e1i \u0111\u1ebf b\u1eb1ng platin, m\u00f4 ph\u1ecfng h\u00e0ng ng\u00e0n h\u00e0ng v\u1ea1n t\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c trong m\u0169i. \u1ede n\u01a1i c\u00f3 to\u1ea3 m\u00f9i, c\u00e1c ph\u00e2n t\u1eed c\u1ee7a m\u0169i \u0111\u00f3 nhanh ch\u00f3ng b\u00e1m v\u00e0o b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u b\u00e1n d\u1eabn \u0111\u00e3 th\u00e0nh d\u1ea1ng b\u1ed9t, l\u00e0m cho m\u1eadt \u0111\u1ed9 electron c\u1ee7a n\u00f3 sinh ra bi\u1ebfn \u0111\u1ed5i, d\u1eabn t\u1edbi \u0111i\u1ec7n tr\u1edf su\u1ea5t nhanh ch\u00f3ng h\u1ea1 xu\u1ed1ng. N\u1ed3ng \u0111\u1ed9 m\u00f9i c\u00e0ng cao, ph\u00e2n t\u1eed ch\u1ea5t kh\u00ed b\u00e1m tr\u00ean lo\u1ea1i v\u1eadt li\u1ec7u b\u00e1n d\u1eabn n\u00e0y c\u00e0ng nhi\u1ec1u, tr\u1ecb s\u1ed1 \u0111i\u1ec7n tr\u1edf h\u1ea1 xu\u1ed1ng c\u0169ng c\u00e0ng nhi\u1ec1u. Th\u1ebf l\u00e0 c\u0103n c\u1ee9 v\u00e0o s\u1ef1 bi\u1ebfn \u0111\u1ed5i nh\u1ecf b\u00e9 c\u1ee7a tr\u1ecb s\u1ed1 \u0111i\u1ec7n tr\u1edf tr\u00ean b\u1ed9 c\u1ea3m bi\u1ebfn nh\u1ea1y m\u00f9i li\u1ec1n c\u00f3 th\u1ec3 \u0111o bi\u1ebft n\u1ed3ng \u0111\u1ed9 c\u1ee7a m\u00f9i.<\/p>\n\n\n\n
M\u0169i \u0111i\u1ec7n t\u1eed ch\u1ebf t\u1ea1o tinh x\u1ea3o c\u00f3 \u0111\u1ed9 nh\u1ea1y h\u1ebft s\u1ee9c cao. Cho d\u00f9 ch\u1ec9 c\u00f3 m\u1ed9t ph\u1ea7n m\u01b0\u1eddi tri\u1ec7u n\u1ed3ng \u0111\u1ed9 c\u1ee7a m\u00f9i l\u1ecdt v\u00e0o trong kh\u00f4ng kh\u00ed, n\u00f3 c\u0169ng c\u00f3 th\u1ec3 ng\u1eedi ra \u0111\u01b0\u1ee3c. Trong c\u00e1c thi\u1ebft b\u1ecb c\u1ea3nh b\u00e1o ph\u00f2ng ch\u1ed1ng s\u1ef1 r\u00f2 tho\u00e1t c\u1ee7a ch\u1ea5t kh\u00ed c\u00f3 \u0111\u1ed9c, c\u00f3 h\u1ea1i v\u00e0 d\u1ec5 ch\u00e1y \u0111\u1ec1u c\u00f3 l\u1eafp \u0111\u1eb7t m\u0169i \u0111i\u1ec7n t\u1eed.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a : T\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c; M\u0169i \u0111i\u1ec7n t\u1eed; B\u1ed9 c\u1ea3m bi\u1ebfn nh\u1ea1y m\u00f9i.<\/p>\n\n\n\n
<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
M\u0169i c\u00f3 th\u1ec3 ng\u1eedi \u0111\u01b0\u1ee3c m\u00f9i c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt th\u1ec3, \u0111\u00f3 l\u00e0 v\u00ec trong m\u0169i c\u00f3 nhi\u1ec1u t\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c. T\u1ebf b\u00e0o kh\u1ee9u gi\u00e1c kh\u00e1c nhau s\u1ebd sinh ra ph\u1ea3n \u1ee9ng \u0111\u1ed1i v\u1edbi m\u00f9i kh\u00e1c nhau, th\u00f4ng qua th\u1ea7n kinh truy\u1ec1n v\u00e0o \u0111\u1ea1i n\u00e3o, ph\u00e1n \u0111o\u00e1n ra thu\u1ed9c t\u00ednh v\u00e0 n\u1ed3ng \u0111\u1ed9 c\u1ee7a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,7],"tags":[],"class_list":["post-5882","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5882","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=5882"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/5882\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=5882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=5882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=5882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}